Home / 245,556,668.78-368,117,131.19-90,074,712.75

Finding the Fourth Proportional to 245,556,668.78, 368,117,131.19 and 90,074,712.75

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Solution

The fourth proportional to 245,556,668.78, 368,117,131.19 and 90,074,712.75 is: 135,032,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,556,668.78 : 368,117,131.19 = 90,074,712.75 : x
  2. Step 2: Convert to fraction form
    245,556,668.78/368,117,131.19 = 90,074,712.75/x
  3. Step 3: Cross multiply
    245,556,668.78x = 368,117,131.19 × 90,074,712.75
  4. Step 4: Simplify right side
    245,556,668.78x = 33,158,044,849,842,944
  5. Step 5: Solve for x
    x = 33,158,044,849,842,944/245,556,668.78
  6. Step 6: Final answer
    x = 135,032,149.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.